.header .left li span:hover a,
.header .left li:nth-child(2) span a {
    color: #000000;
}

.header .left li span:hover,
.header .left li:nth-child(2) span {
    display: inline-block;
    line-height: 35px;
    text-align: center;
    width: 75px;
    height: 35px;
    text-align: center;
    background-color: #ffffff;
    border-radius: 0;
}

.header .left li span:hover a,
.header .left li:nth-child(3) span a {
    color: #ffffff;
}

.header .left li span:hover,
.header .left li:nth-child(3) span {
    display: inline-block;
    line-height: 35px;
    text-align: center;
    width: 75px;
    height: 35px;
    text-align: center;
    background-color: #f06e1e;
    border-radius: 17px;
}

/* 该页主体样式 */
.contain {
    width: 1080px;
    margin: 0 auto;
    margin-top: 30px;
    background-color: lightblue;
    /* height: 1688px; */
}

.contain .one {
    width: 100%;
    height: 120px;
    background-color: #ffffff;
    text-align: center;
    display: flex;
    justify-content: space-around;
    margin-bottom: 10px;
}

.contain .one ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.contain .one .text {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
}

.contain .one .text li:first-child,
.contain .one .text li:last-child {
    font-family: MicrosoftYaHei;
    font-size: 14px;
    font-weight: normal;
    font-stretch: normal;
    letter-spacing: 0px;
    color: #7b7b7b;
}

.contain .one .msg {
    width: 250px;
    display: flex;
    justify-content: space-around;
    font-size: 19px;
    font-weight: normal;
    font-stretch: normal;
    letter-spacing: 0px;
    color: #333333;
}

.contain .one .msg li {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.contain .two {
    list-style: none;
    padding: 0;
    margin: 0;
    margin-bottom: 10px;
    background-color: #ffffff;
}

.contain .two li {
    height: 29px;
    border-bottom: 1.5px solid lightgray;
}

.contain .two li span {
    display: inline-block;
    text-align: center;
    font-family: MicrosoftYaHei;
    font-size: 12px;
    font-weight: normal;
    font-stretch: normal;
    letter-spacing: 0px;
    color: #595858;
    width: 230px;
    border-left: 1px solid lightgray;
}

.contain .two li span:first-child {
    width: 68px !important;
    border-left: none !important;
}

.contain .two li span:nth-child(2) {
    border-left: none;
}

.contain .two .detail span:nth-child(2) {
    border-left: 1px solid lightgray;
}

.contain .two .detail:last-child {
    border-bottom: none;
}

.contain .two .detail span i {
    font-style: normal;
    /* display: flex;
    flex-direction: row;
    justify-content: space-around; */
}

.contain .three {
    width: 100%;
    height: 508px;
    background-color: #ffffff;
    display: flex;
}

.contain .three .left {
    width: 785px;
    height: 100%;
    background-color: #000000;
    position: relative;
}

.contain .three .left img {
    position: absolute;
    bottom: 0;
    left: 0;
}

.contain .three .left video {
    width: 100%;
    height: 100%;
}

.contain .three .right {
    height: 100%;
    width: 295px;
}

.contain .three .right .header {
    width: 100%;
    height: 40px;
    line-height: 40px;
    padding-left: 10px;
    border-bottom: 1.5px solid lightgrey;
    font-family: MicrosoftYaHei;
    font-size: 16px;
    font-weight: normal;
    font-stretch: normal;
    letter-spacing: 0px;
    color: #333333;
}

.contain .three .right .midd {
    height: 395px;
    border-bottom: 1.5px solid lightgrey;
}

.contain .three .right .name {
    color: lightgray;
    margin: 0 10px;
}

.contain .three .right .midd span {
    font-family: MicrosoftYaHei;
    font-size: 14px;
    font-weight: normal;
    font-stretch: normal;
    letter-spacing: 0px;
}

.contain .three .right .midd div {
    width: 100%;
    display: flex;
    margin: 10px 0;
    padding-left: 10px;
}

.contain .three .right .bottom {
    height: 70px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.contain .three .right .bottom div {
    display: flex;
    justify-content: center;
}

.contain .three .right .bottom button {
    border: none;
    height: 30px;
    margin: 0;
    padding: 0;
    width: 58px;
    background-color: #ff7100;
    font-family: MicrosoftYaHei;
    font-size: 14px;
    font-weight: normal;
    font-stretch: normal;
    letter-spacing: 0px;
    color: #ffffff;
    cursor: pointer;
    outline: none;
}

.contain .three .right .bottom input {
    background-color: #f4f4f4;
    outline: none;
    margin: 0;
    padding: 0;
    border: none;
    height: 28px;
    text-indent: 10px;
    font-size: 15px;
    border: solid 1px #dedede;
}

.contain .four {
    width: 100%;
    height: 301px;
    margin-top: 20px;
    background-color: #ffffff;
}

.contain .four .four-header {
    display: flex;
    list-style: none;
    padding-top: 30px;
    margin-left: 3em;
}

.contain .four .four-header li p {
    margin: 0;
    color: #999999;
}

.contain .four .four-header li {
    margin-left: 1em;
    text-align: center;
    cursor: pointer;
}

.contain .four .four-header li span {
    display: inline-block;
    width: 35px;
    height: 2px;
    background-color: transparent;
}

.contain .four .four-header li:first-child p {
    color: orange;
}

.contain .four .four-header li:first-child span {
    background-color: orange;
}

/* 悬浮效果 */
.contain .four .four-header li:hover p {
    color: orange;
}

.contain .four .four-header li:hover span {
    background-color: orange;
}

.contain .four .four-text {
    display: flex;
    justify-content: center;
    width: 100%;
    height: 63px;
    margin: 10px 0;
    position: relative;
}

.contain .four .four-text img {
    width: 22px;
    height: 22px;
    position: absolute;
    margin: auto;
    top: 0;
    bottom: 0;
    left: 3em;
}

.contain .four .four-text span {
    display: inline-block;
    width: 920px;
    height: 63px;
    background-color: #f5f5f5;
    border-radius: 4px;
    line-height: 63px;
    text-indent: 2em;
    margin-left: 20px;
}